зеркало из https://github.com/mozilla/gecko-dev.git
44 строки
1.6 KiB
JavaScript
44 строки
1.6 KiB
JavaScript
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/*
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* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/licenses/publicdomain/
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*/
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function info(text) {
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dump("Test for Bug 925437: worker: " + text + "\n");
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}
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function ok(test, message) {
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postMessage({ type: 'ok', test: test, message: message });
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}
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/**
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* Returns a handler function for an online/offline event. The returned handler
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* ensures the passed event object has expected properties and that the handler
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* is called at the right moment (according to the gState variable).
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* @param nameTemplate The string identifying the hanlder. '%1' in that
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* string will be replaced with the event name.
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* @param eventName 'online' or 'offline'
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* @param expectedState value of gState at the moment the handler is called.
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* The handler increases gState by one before checking
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* if it matches expectedState.
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*/
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function makeHandler(nameTemplate, eventName, expectedState, prefix, custom) {
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prefix += ": ";
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return function(e) {
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var name = nameTemplate.replace(/%1/, eventName);
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ok(e.constructor == Event, prefix + "event should be an Event");
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ok(e.type == eventName, prefix + "event type should be " + eventName);
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ok(!e.bubbles, prefix + "event should not bubble");
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ok(!e.cancelable, prefix + "event should not be cancelable");
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ok(e.target == self, prefix + "the event target should be the worker scope");
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ok(eventName == 'online' ? navigator.onLine : !navigator.onLine, prefix + "navigator.onLine " + navigator.onLine + " should reflect event " + eventName);
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if (custom) {
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custom();
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}
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}
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}
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